DE_classic

简单实用的matlab例程，信号方位估计的一种算法(simple but classic matlab algorithm, is the polynomial method to find DOA (Direction of Arrival))

采用波束形成法，判断来波的方向，识别声源的位置(Using the beamforming method, to determine the direction of the wave, the position of the sound source identification)

计算序列的自相关函数,绘制信号xn的自功率谱幅频曲线,绘制信号yn的自功率谱幅频曲线,计算互谱函数(Calculating the autocorrelation function of the sequence, drawn from the power spectrum of the signal xn amplitude-frequency curve, drawn from the power spectrum of the amplitude-frequency curve signal yn calculated cross-spectral function)

该文件是《matlab教程》图书的源代码，图书的作者是张志涌，对matlab的初学者很有帮助！(The file is " matlab Tutorial" book source code, book author is Zhang Yong, of the matlab beginners help!)

说明：  WK算法是可以实现精确SAR成像的算法，采用stolt插值。(WK algorithm could realize exact imaging in SAR, which includes Stolt interpolation.)

说明：  matlab7.0、VB、VC++、JAVA混合编程(matlab7.0, VB, VC++, JAVA hybrid programming)

数字水印中，对于水印的置乱方法：Arnold置乱，通过改变像素点的位置增强水印的鲁棒性(Digital watermark, the watermark scrambling for ways: Arnold scrambling, by changing the position of pixels increase the robustness of the watermark)

这里有卡尔曼滤波原理及公式陈列，编程实现，外加外界白噪声的影响，旨在加强对卡尔曼滤波的直觉理解与应用。(There Kalman filter theory and formula display, programming, plus white noise of the outside world to enhance intuitive understanding of the Kalman filter and its application.)

SeDuMi 是一个求解半正定规划的算法包，这是项目最新发布的源代码。(Welcome to SeDuMi 1.3 SeDuMi is a Matlab Toolbox for Linear, Second order, Semidefinite or mixed problems. It can handle free variables and complex data as well. To obtain the latest version of SeDuMi, see http://sedumi.ie.lehigh.edu Installation instructions can be found in the file Install.txt After you installed the binaries please type help sedumi in Matlab to get more information. Example problems can be found in the folder /examples, documentation is in /doc. For a list of changes check the file Changelog.txt.)

说明：  如何在函数中加入一个正弦信号，求它和高斯噪声的相关性以及自相关(how to insert noise,and how to how the correlation with goss noise)